Importance

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Abstract

A flat-jet nozzle 1 for high-pressure cleaning apparatus has a nozzle mouth passaage formed by the intersection of a depression 21 with half-round base 22 shaped into a nozzle body 2 and a channel 6 leading to the nozzle mouth. In the zone of intersection with the depression 21, the channel has a spherically vaulted wall 12. The width b of the resulting passage .alpha. and the angle between the wall 12 bounding the edge 26 and the longitudinal axis 17 of the channel are dimensioned in such manner that a point defined by this value pair lies inside of a zone bounded by a hyperbolas. This tolerance range is given by the equation: (b-B).multidot.(.alpha.-.alpha..sub.o)=C, in which: the width b is measured in millimeters (mm) and the angle .alpha. is measured in degrees (.degree.), the constant B lies in the range between 0.785 mm and 0.875 mm, the constant .alpha..sub.O lies between 8.25.degree. and 17.25.degree., and the constant C lies in a range from 12.degree. mm to 13.degree. mm.

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First Claim